If you confirm

Bulletin number

ITB12023B

Component

Power train

Summary

IF YOU CONFIRM: If the customer reports or has previously reported: Harsher than expected down shifts when coasting to a stop. Hesitation/lag when accelerating after coasting. Hesitation/lag or harsher than expected down shifts when coming to a stop and accelerating again (rolling stop). Engine rev matching during moderate to heavy braking. NOTE: This is normal ASC (Adaptive Shift Control) operation that can be removed from normal drive mode, but will remain in sport mode. ACTION: CAUTION: There are two different possible ECM reprograms based on which generation of TCM is in the vehicle. TCM must be reprogrammed first. Reprogram TCM first, then using new TCM part number select matching ECM reprogram using Consult III plus. See procedureon next page. See this bulletin for further details.

Owners of these vehicles have filed 6 complaints in the transmission category.